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gvsig-raster / org.gvsig.raster.tilecache / trunk / org.gvsig.raster.tilecache / org.gvsig.raster.tilecache.io / src / main / java / org / gvsig / raster / tilecache / io / TileProvider.java @ 1015

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/* gvSIG. Geographic Information System of the Valencian Government
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 *
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 * Copyright (C) 2007-2008 Infrastructures and Transports Department
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 * of the Valencian Government (CIT)
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 */
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package org.gvsig.raster.tilecache.io;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.NoninvertibleTransformException;
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import java.awt.geom.Point2D;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.util.ArrayList;
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import org.gvsig.compat.net.ICancellable;
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import org.gvsig.fmap.dal.DALLocator;
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import org.gvsig.fmap.dal.DataStore;
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import org.gvsig.fmap.dal.DataStoreParameters;
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import org.gvsig.fmap.dal.coverage.RasterLibrary;
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import org.gvsig.fmap.dal.coverage.RasterLocator;
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import org.gvsig.fmap.dal.coverage.dataset.Buffer;
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import org.gvsig.fmap.dal.coverage.datastruct.BandList;
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import org.gvsig.fmap.dal.coverage.datastruct.DatasetBand;
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import org.gvsig.fmap.dal.coverage.datastruct.Extent;
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import org.gvsig.fmap.dal.coverage.exception.BandAccessException;
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import org.gvsig.fmap.dal.coverage.exception.BandNotFoundInListException;
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import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException;
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import org.gvsig.fmap.dal.coverage.exception.FileNotSupportedException;
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException;
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException;
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;
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import org.gvsig.fmap.dal.coverage.exception.RemoteServiceException;
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import org.gvsig.fmap.dal.coverage.exception.RmfSerializerException;
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import org.gvsig.fmap.dal.coverage.store.parameter.MultiDimensionalStoreParameters;
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import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters;
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import org.gvsig.fmap.dal.coverage.store.parameter.RemoteStoreParameters;
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import org.gvsig.fmap.dal.coverage.store.parameter.TileDataParameters;
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation;
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import org.gvsig.fmap.dal.coverage.store.props.ColorTable;
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import org.gvsig.fmap.dal.coverage.store.props.Transparency;
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import org.gvsig.fmap.dal.coverage.util.MathUtils;
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import org.gvsig.fmap.dal.coverage.util.RasterUtils;
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import org.gvsig.fmap.dal.exception.InitializeException;
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException;
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException;
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer;
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters;
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters;
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices;
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import org.gvsig.fmap.dal.spi.DataStoreProvider;
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices;
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import org.gvsig.metadata.MetadataLocator;
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import org.gvsig.raster.cache.tile.Tile;
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import org.gvsig.raster.cache.tile.TileCache;
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import org.gvsig.raster.cache.tile.TileCacheLibrary;
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import org.gvsig.raster.cache.tile.TileCacheLocator;
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import org.gvsig.raster.cache.tile.TileCacheManager;
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import org.gvsig.raster.cache.tile.exception.TileBuildException;
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import org.gvsig.raster.cache.tile.exception.TileGettingException;
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import org.gvsig.raster.cache.tile.layer.TiledLayer;
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import org.gvsig.raster.cache.tile.provider.CacheStruct;
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import org.gvsig.raster.cache.tile.provider.TileListener;
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import org.gvsig.raster.cache.tile.provider.TileServer;
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import org.gvsig.raster.impl.datastruct.BandListImpl;
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import org.gvsig.raster.impl.datastruct.DatasetBandImpl;
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import org.gvsig.raster.impl.datastruct.ExtentImpl;
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import org.gvsig.raster.impl.provider.DefaultRasterProvider;
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import org.gvsig.raster.impl.provider.MemoryMatrixBuffer;
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import org.gvsig.raster.impl.provider.RasterProvider;
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import org.gvsig.raster.impl.provider.RemoteRasterProvider;
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import org.gvsig.raster.impl.provider.TiledRasterProvider;
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import org.gvsig.raster.impl.store.DefaultStoreFactory;
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import org.gvsig.raster.impl.store.properties.RemoteDataStoreStatistics;
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import org.gvsig.tools.ToolsLocator;
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import org.gvsig.tools.locator.LocatorException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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99
/**
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 * Provider for WMTS service
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 *
102
 * @author Nacho Brodin (nachobrodin@gmail.com)
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 */
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public class TileProvider extends DefaultRasterProvider implements TiledRasterProvider {
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        public static String                NAME                     = "Tile Store";
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        public static String                DESCRIPTION              = "Raster Tiled Source";
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        public static final String          METADATA_DEFINITION_NAME = "TileStore";
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        private static final Logger         logger                   = LoggerFactory.getLogger(TileProvider.class);
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        private RasterProvider              provider                 = null;
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        private boolean                     open                     = false;
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        private Extent                      viewRequest              = null;
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        private TiledLayer                  tiledLayer               = null;
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        private RasterUtils                 util                     = RasterLocator.getManager().getRasterUtils();
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        private MathUtils                   math                     = RasterLocator.getManager().getMathUtils();
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        private TileServer                  secondLevelTileServer    = null;
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117
        public static void register() {                
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                DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();
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                if (dataman != null && !dataman.getStoreProviders().contains(NAME)) {
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                        dataman.registerStoreProvider(NAME,
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                                        TileProvider.class, TileDataParametersImpl.class);
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                }
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                /*if(DALFileLocator.getFilesystemServerExplorerManager() != null)
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                        DALFileLocator.getFilesystemServerExplorerManager().registerProvider(
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                                        NAME, DESCRIPTION,
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                                        TileServerExplorer.class);*/
128
                
129
                if (!dataman.getExplorerProviders().contains(TileServerExplorer.NAME)) {
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                        dataman.registerExplorerProvider(TileServerExplorer.NAME, TileServerExplorer.class, TileServerExplorerParameters.class);
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                }
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                dataman.registerStoreFactory(NAME, DefaultStoreFactory.class);
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        }
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135
        /**
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         * Loads the specific provider to download data
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         * @param file
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         * @return
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         * @throws NotSupportedExtensionException
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         * @throws FileNotSupportedException 
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         */
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        private RasterProvider loadProvider(TileDataParametersImpl params, DataStoreProviderServices storeServices) throws ProviderNotRegisteredException, InitializeException {
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                Object obj = params.getDataParameters();
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                DataManagerProviderServices dataManager = (DataManagerProviderServices)DALLocator.getDataManager();
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                DataStoreProvider prov = null;
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                if(obj != null && obj instanceof DataStoreParameters) //Remote 
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                        prov = dataManager.createProvider(storeServices, (DataStoreParameters)obj);
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                else { //File
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                        if(params.getFile() != null) {
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                                //We have to locate a provider's name which manages the selected file
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                                //A FilesystemServerExplorer will give a getProviderNames service
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                                FilesystemServerExplorerParameters paramsExplorer = (FilesystemServerExplorerParameters)dataManager.createServerExplorerParameters(FilesystemServerExplorer.NAME);
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                                FilesystemServerExplorer serverExplorer = null;
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                                try {
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                                        paramsExplorer.setRoot(File.separator);
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                                        serverExplorer = (FilesystemServerExplorer)dataManager.openServerExplorer(FilesystemServerExplorer.NAME, paramsExplorer);
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                                } catch (ValidateDataParametersException e) {
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                                        throw new InitializeException(e);
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                                }
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                                //Gets the list of provider's name to manage the file
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                                ArrayList<String> provName = serverExplorer.getProviderNameList(params.getFile());
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                                if(provName.size() > 0) {
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                                        for (int i = 0; i < provName.size(); i++) {
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                                                //Gets the first provider what is not a TileProvider
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                                                if(provName.get(i).compareTo(NAME) != 0) {
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                                                        DataStoreParameters newparams = dataManager.createStoreParameters(provName.get(i));
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                                                        ((FilesystemStoreParameters)newparams).setFile(params.getFile()); 
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                                                        prov = dataManager.createProvider(storeServices, newparams);
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                                                }
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                                        }
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                                }
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                        }
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                }
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                if(prov != null && prov instanceof RasterProvider) {
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                        if(((RasterProvider)prov).isRotated())
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                                throw new InitializeException("Rotation not supported tiling files", new Throwable());
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                        return (RasterProvider)prov;
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                }
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                return null;
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        }
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        /**
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         * Gets the internal provider used to feed the TileProvider
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         * @return
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         */
191
        public RasterProvider getInternalProvider() {
192
                return provider;
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        }
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getFileSuffix()
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         */
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        public String getFileSuffix() {
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                try {
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                        return provider instanceof RemoteRasterProvider ? provider.getFileSuffix() : "tif";
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                } catch(Throwable e) {
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                        //if wmts doesn't exists in the classpath
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                        return "tif";
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                }
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        }
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getRMFFile()
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         */
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        public String getRMFFile() {
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                TileCacheManager  manager = TileCacheLocator.getManager();
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                TileCache tileCache = manager.getTileCache(RasterLibrary.pathTileCache);
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                String path = tiledLayer.getBaseLayerDirectory().substring(0, tiledLayer.getBaseLayerDirectory().lastIndexOf(File.separator) + 1) + 
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                                          tileCache.getConfigurationDirectory() + File.separator + 
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                                          tiledLayer.getID() + ".rmf";
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                try {
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                        if(!new File(path).exists() && 
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                                provider != null && 
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                                provider.getRMFFile() != null &&
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                                new File(provider.getRMFFile()).exists()) 
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                                RasterLocator.getManager().getFileUtils().copyFile(provider.getRMFFile(), path);
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                        if(provider != null && provider.getColorTable() != null) {        
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                                ColorTable colorTable = provider.getColorTable();
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                                RasterLocator.getManager().getProviderServices().saveObjectToRmfFile(path, ColorTable.class, colorTable);
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                        }
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                } catch (LocatorException e) {
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                        logger.info("No se ha podido copiar el fichero RMF a la capa tileada", e);
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                } catch (FileNotFoundException e) {
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                        logger.info("No se ha podido copiar el fichero RMF a la capa tileada", e);
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                } catch (IOException e) {
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                        logger.info("No se ha podido copiar el fichero RMF a la capa tileada", e);
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                } catch (RmfSerializerException e) {
238
                        logger.info("No se ha podido copiar la tabla de color a la capa tileada", e);
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                }
240
                return path;
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        }
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        public TileProvider() throws NotSupportedExtensionException {
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                super();
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        }
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        /*
248
         * (non-Javadoc)
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         * @see org.gvsig.raster.impl.provider.RasterProvider#registerTileProviderFormats(java.lang.Class)
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         */
251
        public void registerTileProviderFormats(Class<RasterProvider> c) {
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        }
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        /**
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         * Assigns the provider associated to this tile server
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         * @param prov
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         * @throws NotSupportedExtensionException 
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         */
260
        public void setProvider(RasterProvider prov) throws NotSupportedExtensionException {
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                this.provider = prov;
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                init(getDataStoreParameters(), getStoreServices());
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        }
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        public TileProvider(TileDataParametersImpl params,
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                        DataStoreProviderServices storeServices) throws NotSupportedExtensionException, FileNotSupportedException {
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                super(params, storeServices, ToolsLocator.getDynObjectManager()
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                                .createDynObject(
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                                                MetadataLocator.getMetadataManager().getDefinition(
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                                                                DataStore.METADATA_DEFINITION_NAME)));
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                if(!params.isSecondLevelCache()) {
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                        try {
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                                provider = loadProvider(params, storeServices);
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                        } catch (ProviderNotRegisteredException e) {
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                                throw new FileNotSupportedException("Provider not registered", e);
276
                        } catch (InitializeException e) {
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                                throw new FileNotSupportedException("Initialize exception", e);
278
                        }
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                        init(params, storeServices);
280
                }
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        }
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        /**
284
         * Creates the second level cache if the client has set a <code>TileServer</code> and the
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         * <code>CacheStruct</code> is different that the old one. 
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         * <UL>
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         * <LI>First level cache without TileServer from the client: do nothing</LI>
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         * <LI>First level cache with TileServer from the client and the structure is 
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         * different to the old one: Builds a second level TileProvider</LI>
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         * <LI>First level cache with TileServer from the client and the structure is 
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         * equal to the old one: do nothing</LI>
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         * <LI>Second level cache: sets the TileServer</LI>
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         * </UL>
294
         * @param params
295
         * @param storeServices
296
         * @throws NotSupportedExtensionException
297
         */
298
        /*private void createsSecondLevelCache(TileDataParametersImpl params) throws NotSupportedExtensionException {
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                //Se obtiene el TileServer que haya pasado el cliente en los par?metros si ha pasado alguno.
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                TileServer tileServer = params.getTileServer();
301
                //Se obtiene el CacheStruct y se compara con el del provider
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                CacheStruct cacheStruct = null;
303
                if(tileServer != null)
304
                        cacheStruct = tileServer.getStruct();
305
                
306
                if(params.isSecondLevelCache()) { //Cache de segundo nivel
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                        this.secondLevelTileServer = tileServer;
308
                } else if(cacheStruct != null && !provider.getTileServer().getStruct().compare(cacheStruct)) { //Cache de primer nivel
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                        //Si son distintos habr? que crear una cach? de segundo nivel por lo que creamos un nuevo TileProvider
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                        //que tenga como par?metro el provider viejo
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                        TileDataParametersImpl par = new TileDataParametersImpl();
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                        par.setDataParameters(provider.getDataParameters());
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                        par.setTileServer(tileServer);
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                        par.setSecondLevelCache(true);
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                        TileProvider newProvider = new TileProvider(par, null);
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                        newProvider.setProvider(this.provider);
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                        //Al TileProvider actual se le asigna como provider el TileProvider creado
318
                        this.provider = newProvider;
319
                }
320
        }*/
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322
        /**
323
         * Crea las referencias al fichero y carga
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         * las estructuras con la informaci?n y los metadatos.
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         * @param proj Proyecci?n
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         * @param param Parametros de carga
327
         * @throws NotSupportedExtensionException
328
         */
329
        public void init (DataStoreParameters params,
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                        DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
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                setParam(storeServices, params);
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                open = true;
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                setDataType(provider.getDataType());
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                bandCount = provider.getBandCount();
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                //if(getColorInterpretation() == null)
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                        setColorInterpretation(provider.getColorInterpretation());
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                /*else
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                        getColorInterpretation().addColorInterpretation(provider.getColorInterpretation());*/
339
                setColorTable(provider.getColorTable());
340
                noData = provider.getNoDataValue();
341
                setFName(provider.getURIOfFirstProvider());
342
                try {
343
                        wktProjection = provider.getWktProjection();
344
                } catch (RasterDriverException e) {
345
                }
346
                ownTransformation = provider.getAffineTransform();
347
                externalTransformation = (AffineTransform)ownTransformation.clone();
348
                
349
                createTiledLayer();
350
                
351
                //Force to deletes the layer if the flag is to true
352
                if(tiledLayer != null) {
353
                        if(param instanceof TileDataParameters) {
354
                                if(((TileDataParameters)param).isDeletingCache()) {
355
                                        TileCacheManager  manager = TileCacheLocator.getManager();
356
                                        TileCache tileCache = manager.getTileCache(RasterLibrary.pathTileCache);
357
                                        tileCache.removeLayer(tiledLayer);
358
                                        ((TileDataParameters)param).deleteCache(false);
359
                                }
360
                        }
361
                }
362
                
363
                if(provider instanceof RemoteRasterProvider)
364
                        stats = new RemoteDataStoreStatistics(provider);
365
        }
366
        
367
        /**
368
         * Creates a new tiled layer if this hasn't been created yet or the ID has changed. 
369
         * An ID could changed because the file type has changed when the user uses WMTS properties.
370
         */
371
        private void createTiledLayer() {
372
                TileCacheManager  manager = TileCacheLocator.getManager();
373
                TileCache tileCache = manager.getTileCache(RasterLibrary.pathTileCache);
374
                TiledLayer newLayer = tileCache.createLayer(provider.getTileServer(), TileCacheLibrary.DEFAULT_STRUCTURE);
375
                if(tiledLayer == null || newLayer.getID().compareTo(tiledLayer.getID()) != 0)
376
                        tiledLayer = newLayer;
377
        }
378
        
379
        /*
380
         * (non-Javadoc)
381
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getZoomLevels()
382
         */
383
        public int getZoomLevels() {
384
                if(provider.getTileServer() != null)
385
                        return provider.getTileServer().getStruct().getNumberOfLevels();
386
                return 0;
387
        }
388
        
389
        /*
390
         * (non-Javadoc)
391
         * @see org.gvsig.raster.impl.provider.RasterProvider#getNearestLevel(double)
392
         */
393
        public int getNearestLevel(double pixelSize) {
394
                double[] pixelSizes = getPixelSizeByLevel();
395
                for (int i = 0; i < pixelSizes.length - 1; i++) {
396
                        if(pixelSize <= pixelSizes[i] && pixelSize > pixelSizes[i + 1]) {
397
                                return i;
398
                        }
399
                }
400
                if(pixelSize < pixelSizes[getZoomLevels() - 1])
401
                        return getZoomLevels() - 1;
402
                return 0;
403
        }
404
        
405
        /**
406
         * Returns a list of pixel sizes by level
407
         * @return
408
         */
409
        public double[] getPixelSizeByLevel() {
410
                double[] list = new double[getZoomLevels()];
411
                CacheStruct struct = provider.getTileServer().getStruct();
412
                for (int i = 0; i < struct.getNumberOfLevels(); i++) {
413
                        list[i] = math.adjustDouble(struct.getPixelSizeByLevel(i));
414
                }
415
                return list;
416
        }
417
        
418
        /*
419
         * (non-Javadoc)
420
         * @see org.gvsig.raster.impl.provider.RasterProvider#getCoordsInTheNearestLevel(org.gvsig.fmap.dal.coverage.datastruct.Extent, int, int)
421
         */
422
        public Extent getCoordsInTheNearestLevel(Extent extent, int w, int h) {
423
                double[] pixelSizes = getPixelSizeByLevel();
424
                double currentPixelSize = extent.width() / (double)w;
425
                
426
                int level = 0;
427
                for (int i = 0; i < (pixelSizes.length - 1); i++) {
428
                        if(currentPixelSize < pixelSizes[i] && currentPixelSize >= pixelSizes[i + 1]) {
429
                                level = i + 1;
430
                                break;
431
                        }
432
                }
433
                
434
                return getZoomLevelCoordinates(level, extent, w, h);
435
        }
436
        
437
        /*
438
         * (non-Javadoc)
439
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getCoordsInLevel(java.awt.geom.Point2D, int, int, int)
440
         */
441
        public Extent getCoordsInLevel(Point2D viewCenter, int level, int w, int h) {
442
                level = adjustLevel(level);
443
                double pixelSize = provider.getTileServer().getStruct().getPixelSizeByLevel(level);
444
                
445
                double ulx = viewCenter.getX() - ((w / 2) * pixelSize);
446
                double uly = viewCenter.getY() - ((h / 2) * pixelSize);
447
                double lrx = ulx + (w * pixelSize);
448
                double lry = uly + (h * pixelSize);
449
                return new ExtentImpl(ulx, uly, lrx, lry);
450
        }
451
        
452
        /**
453
         * Adjust de level to the range
454
         * @param level
455
         * @return
456
         */
457
        private int adjustLevel(int level) {
458
                if(level < 0)
459
                        level = 0;
460
                if(level > getZoomLevels())
461
                        level = getZoomLevels();
462
                return level;
463
        }
464
        
465
        /*
466
         * (non-Javadoc)
467
         * @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getAffineTransform()
468
         */
469
        public AffineTransform getAffineTransform() {
470
                return provider.getAffineTransform();
471
        }
472
        
473
        /**
474
         * Obtiene el objeto que contiene el estado de la transparencia
475
         */
476
        public Transparency getTransparency() {
477
                return provider.getTransparency();
478
        }
479
        
480
        /**
481
         * Gets the bounding box in world coordinates. If the layer has grid subsets (TileMatrixLimits) then
482
         * this will have a only extent but if the layer doesn't have grid subsets then this will have a different
483
         * extent in each level resolution. In this case we need to know the extent for each level.
484
         * @return Extent
485
         */
486
        public Extent getExtent() {
487
                return provider.getExtent();
488
        }
489

    
490
        /*
491
         * (non-Javadoc)
492
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#load()
493
         */
494
        public RasterProvider load() {
495
                return this;
496
        }
497
        
498
        /*
499
         * (non-Javadoc)
500
         * @see org.gvsig.raster.impl.provider.RasterProvider#isOpen()
501
         */
502
        public boolean isOpen() {
503
                return open;
504
        }
505

    
506
        /*
507
         * (non-Javadoc)
508
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isTiled()
509
         */
510
        public boolean isTiled() {
511
                return true;
512
        }
513
        
514
        /*
515
         * (non-Javadoc)
516
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#close()
517
         */
518
        public void close() {
519
                open = false;
520
                if(provider != null)
521
                        provider.close();
522
        }
523
        
524
        /*
525
         * (non-Javadoc)
526
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#translateFileName(java.lang.String)
527
         */
528
        public String translateFileName(String fileName) {
529
                return fileName;
530
        }
531

    
532
        /*
533
         * (non-Javadoc)
534
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setView(org.gvsig.fmap.dal.coverage.datastruct.Extent)
535
         */
536
        public void setView(Extent e) {
537
                viewRequest = e;
538
        }
539

    
540
        /*
541
         * (non-Javadoc)
542
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getView()
543
         */
544
        public Extent getView() {
545
                return viewRequest;
546
        }
547

    
548
        /*
549
         * (non-Javadoc)
550
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWidth()
551
         */
552
        public double getWidth() {
553
                return provider.getWidth();
554
        }
555

    
556
        /*
557
         * (non-Javadoc)
558
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getHeight()
559
         */
560
        public double getHeight() {
561
                return provider.getHeight();
562
        }
563

    
564
        /*
565
         * (non-Javadoc)
566
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#readCompleteLine(int, int)
567
         */
568
        public Object readCompleteLine(int line, int band)
569
                throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
570
                return null;
571
        }
572
        
573
        public File getFileLayer() throws RasterDriverException {
574
                return null;
575
        }
576

    
577
        /**
578
         * Reads a complete block of data and returns an tridimensional array of the right type. This function is useful
579
         * to read a file very fast without setting a view. 
580
         * 
581
         * @param pos Posici?n donde se empieza  a leer
582
         * @param blockHeight Altura m?xima del bloque leido
583
         * @return Object que es un array tridimendional del tipo de datos del raster. (Bandas X Filas X Columnas)
584
         * @throws InvalidSetViewException
585
         * @throws FileNotOpenException
586
         * @throws RasterDriverException
587
         */
588
        public Object readBlock(int pos, int blockHeight, double scale) 
589
        throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException {
590
                return provider.readBlock(pos, blockHeight, scale);
591
        }
592

    
593
        /*
594
         * (non-Javadoc)
595
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getData(int, int, int)
596
         */
597
        public Object getData(int x, int y, int band)
598
                throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
599
                return provider.getData(x, y, band);
600
        }
601
        
602
        /**
603
         * Assigns the list of bands RGB and read a window of data
604
         * @param rasterBuf
605
         * @param bandList
606
         * @param lastFile
607
         * @param ulx
608
         * @param uly
609
         * @param lrx
610
         * @param lry
611
         * @return
612
         * @throws RasterDriverException
613
         * @throws ProcessInterruptedException
614
         */
615
        public Buffer getBuffer(Buffer rasterBuf, BandList bandList, File lastFile, 
616
                        double ulx, double uly, double lrx, double lry) throws RasterDriverException, ProcessInterruptedException {
617
                return null;
618
        }
619
        
620
        /**
621
         * Calculates the extent of a zoom level using other extent as a reference. The new extent is 
622
         * calculated with the same coordinate at the center. 
623
         * @param level
624
         * @param extent
625
         * @param w
626
         * @param h
627
         * @return
628
         */
629
        public Extent getZoomLevelCoordinates(int level, Extent extent, int w, int h) {
630
                double centerX = extent.getCenterX();
631
                double centerY = extent.getCenterY();
632
                return getCoordsInLevel(new Point2D.Double(centerX, centerY), level, w, h);
633
        }
634
        
635
        /**
636
         * Gets the tile list in a selected extent
637
         * @param ex
638
         * @param bandList
639
         * @param bufWidth
640
         * @param bufHeight
641
         * @return
642
         * @throws TileBuildException 
643
         */
644
        private ArrayList<Tile> getTileList(Extent ex, BandList bandList, int bufWidth, int bufHeight) throws TileBuildException {
645
                TileServer tileServer = provider.getTileServer();
646
                CacheStruct struct = tileServer.getStruct();
647
                tileServer.setFileSuffix(getFileSuffix());
648
                
649
                createTiledLayer(); //Creates a new layer when the file type changes
650
                
651
                Extent adjustedExtent = util.intersection(provider.getExtent(), ex);
652
                double newBufWidth = (adjustedExtent.width() * bufWidth) / ex.width();
653
                double pixelSizeRequest = adjustedExtent.width() / newBufWidth; 
654
                
655
                ArrayList<Tile> tileList = struct.getTileList(new Point2D.Double(adjustedExtent.getULX(), adjustedExtent.getULY()), 
656
                                new Point2D.Double(adjustedExtent.getLRX(), adjustedExtent.getLRY()), 
657
                                pixelSizeRequest);
658
                
659
                for (int i = 0; i < tileList.size(); i++) {
660
                        loadTileTimeParameters(tileList.get(i));
661
                }
662
                
663
                for (int i = 0; i < tileList.size(); i++) {
664
                        tileList.get(i).setDownloaderParams("BandList", bandList.clone());
665
                }
666
                return tileList;
667
        }
668
        
669
        /**
670
         * Loads the multidimensional parameters in a tile 
671
         * @param tile
672
         */
673
        private void loadTileTimeParameters(Tile tile) {
674
                if(provider.getDataParameters() instanceof MultiDimensionalStoreParameters) {
675
                        MultiDimensionalStoreParameters par = (MultiDimensionalStoreParameters)provider.getDataParameters();
676
                        tile.setVariable(par.getStringVariable());
677
                        tile.setZ(par.getStringLevel());
678
                        tile.setTimeInstant(par.getStringTime());
679
                }
680
        }
681
        
682
        /*
683
         * (non-Javadoc)
684
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#needEnhanced()
685
         */
686
        public boolean needEnhanced() {
687
                return provider.needEnhanced();
688
        }
689
        
690
        /*
691
         * (non-Javadoc)
692
         * @see org.gvsig.raster.impl.provider.TiledRasterProvider#getTile(int, int, int, org.gvsig.fmap.dal.coverage.datastruct.Extent, org.gvsig.raster.cache.tile.provider.CacheStruct)
693
         */
694
        public Tile getTile(int level, int tileCol, int tileRow, Extent ex, CacheStruct cacheStruct) throws TileGettingException {
695
                if(cacheStruct == null)
696
                        cacheStruct = provider.getTileServer().getStruct();
697
                else
698
                        provider.getTileServer().setStruct(cacheStruct);
699
                
700
                Tile tile = null;
701
                try {
702
                        tile = cacheStruct.getTileStructure(level, tileCol, tileRow, 
703
                                        new Point2D.Double(ex.getULX(), ex.getULY()), new Point2D.Double(ex.getLRX(), ex.getLRY()));
704
                } catch (TileBuildException e1) {
705
                        throw new TileGettingException(e1);
706
                }
707
                
708
                loadTileTimeParameters(tile);
709
                
710
                //Creamos un BandList con todas las bandas del fichero
711
                BandList bandList = new BandListImpl();
712
                for(int i = 0; i < provider.getBandCount(); i++) {
713
                        try {
714
                                DatasetBand band = new DatasetBandImpl(provider.getURIOfFirstProvider(), i, provider.getDataType()[i], provider.getBandCount());
715
                                bandList.addBand(band, i);
716
                        } catch(BandNotFoundInListException e) {
717
                                //No a?adimos la banda
718
                        }
719
                }
720
                bandList.setDrawableBands(new int[]{0, 1, 2});
721
                
722
                tile.setDownloaderParams("BandList", bandList);
723
                createTiledLayer();
724
                return tiledLayer.getTile(tile);
725
        }
726

    
727
        /*
728
         * (non-Javadoc)
729
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(org.gvsig.fmap.dal.coverage.datastruct.Extent, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.raster.cache.tile.provider.TileListener)
730
         */
731
        public void getWindow(Extent ex, int bufWidth, int bufHeight, 
732
                        BandList bandList, TileListener listener) throws ProcessInterruptedException, RasterDriverException {
733
                try {
734
                        ArrayList<Tile> tileList = getTileList(ex, bandList, bufWidth, bufHeight);
735
                        tiledLayer.getTiles(tileList, listener);
736
                } catch (TileGettingException e) {
737
                        throw new RasterDriverException("Error getting the tile list", e);
738
                } catch (TileBuildException e) {
739
                        throw new RasterDriverException("Error building the tile list", e);
740
                }
741
        }
742
        
743
        /*
744
         * (non-Javadoc)
745
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(org.gvsig.fmap.dal.coverage.datastruct.Extent, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
746
         */
747
        public Buffer getWindow(Extent extent, 
748
                        int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf, boolean adjustToExtent) throws ProcessInterruptedException, RasterDriverException {
749
                //draw method
750
                ArrayList<Tile> tileList = null;
751
                try {
752
                        tileList = getTileList(extent, bandList, bufWidth, bufHeight);
753
                        for (int i = 0; i < tileList.size(); i++) {
754
                                tiledLayer.getTile(tileList.get(i));
755
                        }
756
                } catch (TileGettingException e) {
757
                        throw new RasterDriverException("Error getting the tile list", e);
758
                } catch (TileBuildException e) {
759
                        throw new RasterDriverException("Error building the tile list", e);
760
                }
761
                MemoryMatrixBuffer matrixBuffer = new MemoryMatrixBuffer(tileList);
762
                return matrixBuffer.getWindow(extent, rasterBuf);
763
        }
764

    
765
        /*
766
         * (non-Javadoc)
767
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(org.gvsig.fmap.dal.coverage.datastruct.Extent, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
768
         */
769
        public Buffer getWindow(Extent ex, BandList bandList, Buffer rasterBuf) 
770
                throws ProcessInterruptedException, RasterDriverException {
771
                //return ((DefaultRasterProvider)provider).getWindow(ex, bandList, rasterBuf);
772
                return null;
773
        }
774

    
775
        /*
776
         * (non-Javadoc)
777
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
778
         */
779
        public Buffer getWindow(double ulx, double uly, double w, double h, 
780
                        BandList bandList, Buffer rasterBuf, boolean adjustToExtent) throws ProcessInterruptedException, RasterDriverException {
781
                Extent extent = new ExtentImpl(ulx, uly, ulx + w, uly - h);
782
                ArrayList<Tile> tileList = null;
783
                try {
784
                        tileList = getTileList(extent, bandList, rasterBuf.getWidth(), rasterBuf.getHeight());
785
                        for (int i = 0; i < tileList.size(); i++) {
786
                                tiledLayer.getTile(tileList.get(i));
787
                        }
788
                } catch (TileGettingException e) {
789
                        throw new RasterDriverException("Error getting the tile list", e);
790
                } catch (TileBuildException e) {
791
                        throw new RasterDriverException("Error building the tile list", e);
792
                }
793
                MemoryMatrixBuffer matrixBuffer = new MemoryMatrixBuffer(tileList);
794
                return matrixBuffer.getWindow(extent, rasterBuf);
795
        }
796

    
797
        /*
798
         * (non-Javadoc)
799
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(int, int, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
800
         */
801
        public Buffer getWindow(int x, int y, BandList bandList, Buffer rasterBuf) throws ProcessInterruptedException, RasterDriverException {
802
                Buffer b = ((DefaultRasterProvider)provider).getWindow(x, y, bandList, rasterBuf); //Para proveedores de fichero esto va
803
                if(b != null)
804
                        return b;
805
                else {
806
                        //TODO
807
                }
808
                return null;
809
        }
810

    
811
        /*
812
         * (non-Javadoc)
813
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(int, int, int, int, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
814
         */
815
        public Buffer getWindow(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf) throws ProcessInterruptedException, RasterDriverException {
816
                Buffer b = ((DefaultRasterProvider)provider).getWindow(x, y, w, h, bufWidth, bufHeight, bandList, rasterBuf); //Para proveedores de fichero esto va
817
                if(b != null)
818
                        return b;
819
                else {
820
                        //TODO
821
                }
822
                return null;
823
        }
824

    
825
        /*
826
         * (non-Javadoc)
827
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getBlockSize()
828
         */
829
        public int getBlockSize() {
830
                return 0;
831
        }
832

    
833
        /*
834
         * (non-Javadoc)
835
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setAffineTransform(java.awt.geom.AffineTransform)
836
         */
837
        public void setAffineTransform(AffineTransform t){
838
                
839
        }
840

    
841
        /*
842
         * (non-Javadoc)
843
         * @see org.gvsig.raster.impl.provider.RasterProvider#getOverviewCount(int)
844
         */
845
        public int getOverviewCount(int band) throws BandAccessException, RasterDriverException {
846
                return getZoomLevels();
847
        }
848

    
849
        /*
850
         * (non-Javadoc)
851
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewWidth(int, int)
852
         */
853
        public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException {
854
                return provider.getTileServer().getStruct().getLayerWidthOfTileMatrixByLevel(overview) * 
855
                                provider.getTileServer().getStruct().getTileSizeByLevel(overview)[0];
856
        }
857

    
858
        /*
859
         * (non-Javadoc)
860
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewHeight(int, int)
861
         */
862
        public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException {
863
                return provider.getTileServer().getStruct().getLayerHeightOfTileMatrixByLevel(overview) * 
864
                                provider.getTileServer().getStruct().getTileSizeByLevel(overview)[0];
865
        }
866

    
867
        /*
868
         * (non-Javadoc)
869
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isOverviewsSupported()
870
         */
871
        public boolean isOverviewsSupported() {
872
                return false;
873
        }
874

    
875
        /*
876
         * (non-Javadoc)
877
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isReproyectable()
878
         */
879
        public boolean isReproyectable() {
880
                return false;
881
        }
882

    
883
        /*
884
         * (non-Javadoc)
885
         * @see org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider#getName()
886
         */
887
        public String getName() {
888
                return NAME;
889
        }
890
        
891
        /**
892
         * Convierte un punto desde coordenadas pixel a coordenadas del mundo.
893
         * @param pt Punto a transformar
894
         * @return punto transformado en coordenadas del mundo
895
         */
896
        public Point2D rasterToWorld(Point2D pt) {
897
                Point2D p = new Point2D.Double();
898
                getAffineTransform().transform(pt, p);
899
                return p;
900
        }
901

    
902
        /**
903
         * Convierte un punto desde del mundo a coordenadas pixel.
904
         * @param pt Punto a transformar
905
         * @return punto transformado en coordenadas pixel
906
         */
907
        public Point2D worldToRaster(Point2D pt) {
908
                Point2D p = new Point2D.Double();
909
                try {
910
                        getAffineTransform().inverseTransform(pt, p);
911
                } catch (NoninvertibleTransformException e) {
912
                        return pt;
913
                }
914
                return p;
915
        }
916
        
917
        /*
918
         * (non-Javadoc)
919
         * @see org.gvsig.raster.impl.provider.RasterProvider#setStatus(org.gvsig.raster.impl.provider.RasterProvider)
920
         */
921
        public void setStatus(RasterProvider provider) {
922
                if(provider instanceof TileProvider) {
923
                }
924
        }
925
        
926
        /**
927
         * ASigna el par?metro de inicializaci?n del driver.
928
         */
929
        @Override
930
        public void setParam(DataStoreProviderServices storeServices, DataStoreParameters param) {
931
                if(param instanceof RemoteStoreParameters)
932
                        this.uri = ((RasterDataParameters)param).getURI();
933
                this.param = param;
934
                this.storeServices = storeServices;
935
        }
936
        
937
        /*
938
         * (non-Javadoc)
939
         * @see org.gvsig.raster.impl.provider.RasterProvider#getInfoByPoint(double, double)
940
         */
941
        public String getInfoByPoint(double x, double y, ICancellable cancellable) throws RemoteServiceException {
942
                return null;
943
        }
944
        
945
        /**
946
         * A tiled provider can't return a color table because each tile could have a different table. 
947
         * Besides, the table is not available when le provider is loaded. There could be to load 
948
         * the table from one tile because this is a property of a tile. The color table is sent to
949
         * the render with the data in a tile. 
950
         */
951
        /*public ColorTable getColorTable() {
952
                return null;
953
        }*/
954
        
955
        /*
956
         * (non-Javadoc)
957
         * @see org.gvsig.raster.impl.dataset.RasterProvider#getColorInterpretation()
958
         */
959
        public ColorInterpretation getColorInterpretation() {
960
                return provider.getColorInterpretation();
961
        }
962

    
963
        /**
964
         * Asigna el objeto que contiene que contiene la interpretaci?n de
965
         * color por banda
966
         * @param DataStoreColorInterpretation
967
         */
968
        public void setColorInterpretation(ColorInterpretation colorInterpretation) {
969
                provider.setColorInterpretation(colorInterpretation);
970
        }
971
        
972
        /*
973
         * (non-Javadoc)
974
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getTileSize(int)
975
         */
976
        public int[] getTileSize(int level) {
977
                return provider.getTileServer().getStruct().getTileSizeByLevel(level);
978
        }
979
        
980
        /*
981
         * (non-Javadoc)
982
         * @see org.gvsig.raster.impl.provider.RasterProvider#deleteLayerFromCache()
983
         */
984
        public void deleteLayerFromCache() {
985
                TileCacheManager  manager = TileCacheLocator.getManager();
986
                TileCache tileCache = manager.getTileCache(RasterLibrary.pathTileCache);
987
                if(tiledLayer != null)
988
                        tileCache.removeLayer(tiledLayer);
989
        }
990
        
991
        /*
992
         * (non-Javadoc)
993
         * @see org.gvsig.raster.impl.provider.RasterProvider#getTileServer()
994
         */
995
        public TileServer getTileServer() {
996
                return secondLevelTileServer;
997
        }
998
        
999
        public void setSecondLevelTileServer(TileServer tileServer) {
1000
                this.secondLevelTileServer = tileServer;
1001
        }
1002
        
1003
        /*
1004
         * (non-Javadoc)
1005
         * @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setTileServer(java.lang.Class)
1006
         */
1007
        public void setTileServer(Class<?> tileServer) {
1008
                //TODO:Manejar excepciones
1009
                //Crear par?metros
1010
                TileDataParametersImpl par = new TileDataParametersImpl();
1011
                par.setDataParameters(getDataParameters());
1012
                par.setSecondLevelCache(true); //No crea un nuevo provider
1013
                
1014
                //Crea el proveedor de tiles de segundo nivel
1015
                TileProvider newProvider = null;
1016
                try {
1017
                        newProvider = new TileProvider(par, null);
1018
                        newProvider.setProvider(this.provider);
1019
                } catch (NotSupportedExtensionException e1) {
1020
                        e1.printStackTrace();
1021
                } catch (FileNotSupportedException e) {
1022
                        //No se puede dar. Si el padre es soportado este tambi?n
1023
                        e.printStackTrace();
1024
                }
1025
                
1026
                //Instancia el TileServer pasado por el cliente con el TileProvider de segundo nivel
1027
                Constructor<?> constructor;
1028
                TileServer tServer = null;
1029
                try {
1030
                        constructor = tileServer.getConstructor(new Class<?>[]{DefaultRasterProvider.class});
1031
                        Object [] args2 = {newProvider};
1032
                        tServer = (TileServer)constructor.newInstance(args2);
1033
                } catch (SecurityException e) {
1034
                        e.printStackTrace();
1035
                } catch (NoSuchMethodException e) {
1036
                        e.printStackTrace();
1037
                } catch (IllegalArgumentException e) {
1038
                        e.printStackTrace();
1039
                } catch (InstantiationException e) {
1040
                        e.printStackTrace();
1041
                } catch (IllegalAccessException e) {
1042
                        e.printStackTrace();
1043
                } catch (InvocationTargetException e) {
1044
                        e.printStackTrace();
1045
                }
1046
                
1047
                //Asigna el TileServer al nuevo provider de segundo nivel
1048
                newProvider.setSecondLevelTileServer(tServer);
1049
                
1050
                //Asigna al provider de tiles de primer nivel el de segundo. 
1051
                //Solo si las estructuras de cach? son diferentes
1052
                try {
1053
                        if(!provider.getTileServer().getStruct().compare(tServer.getStruct())) {
1054
                                this.setProvider(newProvider);
1055
                                tiledLayer = null;
1056
                        }
1057
                } catch (NotSupportedExtensionException e) {
1058
                        e.printStackTrace();
1059
                }
1060
        }
1061
        
1062
}